Title Preliminary processed SADCP data from the Gough Island Relief cruise on the SA Agulhas II Voyage 021, September 2016
Project Gough Island Relief
Authors

Azwianewi Makhado
Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment (DFFE) Chief Scientist 2nd Floor, Foretrust Building, 1 Martin Hammerschlag Way, Cape Town, South Africa, Amakhado@environment.gov.za

Publisher Department of Forestry, Fisheries and the Environment (2017)
Contributors

Contact Person: Marcel van den Berg
Oceans and Coastal Research, Department of Forestry, Fisheries and the Environment (DFFE) Scientific Technician 2nd Floor, Foretrust Building, 1 Martin Hammerschlag Way, Cape Town, South Africa, marcel@oceanafrica.com

Abstract This is processed Shipboard Acoustic Doppler Current Profiler (SADCP) data from the Gough Island Relief cruise on the SA Agulhas II Voyage 021, between 01 September 2016 and 06 October 2016. The Gough Island Relief Voyage is an annual cruise undertaken by the Department of Environmental Affairs (DEA) to change the overwintering team in Gough Island and to replenish the supplies at the British’s leased Gough Island Research base. The cruise also serves as a means to transport the residents and/or visitors to Tristan da Cunha using a signed agreement between South Africa and United Kingdom (UK). This voyage was to deliver the Gough 62 team to the island and return with the Gough 61 team. There was no scientific team onboard this voyage, however the Chief Navigations officer activated the ship mounted ADCP along the journey.
Methods The vessel mounted 75kHz Teledyne RD Instruments ADCP , mounted in the vessel's scientific blister at a depth of 4m, was set to collect data for the duration of the voyage. Data was recorded using the Teledyne RDI VMDAS (version1.46) software. A blanking distance of 8m was used, with the bin size of 8m. The Short Term Averaged (STA) data, set to a 3 minute average, was processed and edited using the AquaVision ViSea DAS and ViSea DPS software. Data was then exported to text files. All velocity data is in m/s.
Data
Attribution-ShareAlike 4.0 International (CC BY-SA 4.0)
Temporal extent 01 Sep 2016 – 06 Oct 2016
Geographic extent

South Atlantic Ocean, Cape Town, Tristan da Cunha, Gough Island

North: -33.88333
South: -40.43333
West: -12.5
East: 18.33333

Keywords GOUGH ISLAND, SA Agulhas II, SA Agulhas II 021, SADCP, Shipboard Acoustic Doppler Current Profilers
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